assurance：保证，担保，确信，把握，信心

词根词缀：as-来,临近 + -sur-确信 + -ance

• sealing
• sealskin
• seam
• seaman
• seamanship
• seamless
• seamstress
• seamy
• seance
• seaport
• sear
• search
• pastiche
• pastime
• pasting
• pastis
• pastor
• pastoral
• pastoralism
• pastrami
• pastry
• pasturage
• pasture
• pasty
• pat